FVXX21 KNES 191344 VA ADVISORY DTG: 20191019/1344Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2019/992 INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS. VOLCAT. RADIOSONDE. ERUPTION DETAILS: VA EM OBS VA DTG: 19/1336Z OBS VA CLD: SFC/FL210 N1920 W09831 - N1902 W09837 - N1902 W09840 - N1917 W09843 - N1920 W09831 MOV N 10KT FCST VA CLD +6HR: 19/1930Z SFC/FL210 N1920 W09837 - N1902 W09837 - N1900 W09838 - N1917 W09847 - N1920 W09837 FCST VA CLD +12HR: 20/0130Z SFC/FL210 N1922 W09832 - N1901 W09836 - N1902 W09838 - N1921 W09846 - N1922 W09832 FCST VA CLD +18HR: 20/0730Z SFC/FL210 N1922 W09832 - N1901 W09836 - N1901 W09838 - N1920 W09845 - N1922 W09832 RMK: FREQUENT DISCRETE VA EM SEEN IN STLT EXTND APRX 16 NM N OF SUMMIT. VA EM ALSO SEEN IN WEB CAM VIEWS. VA EM EXPECTED TO CONT MOV N THRU FCST PERIOD. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20191019/1945Z